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Finding the Fourth Proportional to 264.67, 397.09 and 118.52

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Solution

The fourth proportional to 264.67, 397.09 and 118.52 is: 177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.67 : 397.09 = 118.52 : x
  2. Step 2: Convert to fraction form
    264.67/397.09 = 118.52/x
  3. Step 3: Cross multiply
    264.67x = 397.09 × 118.52
  4. Step 4: Simplify right side
    264.67x = 47,062.76
  5. Step 5: Solve for x
    x = 47,062.76/264.67
  6. Step 6: Final answer
    x = 177.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.